Balancer

Uniswap is an automated liquidity protocol powered by a constant product formula and implemented in a system of non-upgradeable smart contracts on the Ethereum blockchain. It obviates the need for trusted intermediaries, prioritizing decentralization, censorship resistance, and security.

Curve.fi is a non-custodial decentralized exchange that revolutionized stablecoin trading. It began by offering superior exchange rates for stablecoin swaps (like DAI to USDC) through liquidity pools, where users earn yield by depositing their assets.

Fluid is a DeFi protocol combining a liquidity layer, automated limits, lending and vault protocols, robust oracle system, and DEX protocol,